Patent US3654008A successfully refreshed from Google Patents.
US3654008A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of a process of a plastic t-assembly
Assignee: Rogers Sales and Service Inc
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Filing: 1970-07-15
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Granted: 1972-04-04
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Expires: 1990-07-15
Abstract
Abstract Process of manufacture of a plastic T-assembly comprising a conduit with sput unit in combination with a shaped stem unit, wherein the conduit and sput unit is used as a mold and a part of the stem is utilized as a positioning device for forming a closely mating saddle surface portion on the stem unit between and joining the stem unit and the conduit and sput unit.
Inventors
- 👤 Frank J Rogers
- 👤 Joe Macclose
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:17
CPC Classifications
B; B29; B29D; B29D23/00; B29D23/001; B29D23/003; B29D23/008; B29C; B29C65/00; B29C65/48; B29C65/4895; B29C65/78; B29C65/7802; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/13; B29C66/131; B29C66/50; B29C66/51; B29C66/52; B29C66/522; B29C66/5224; B29C66/52241; B29C66/5225; B29C66/52251; B29C66/5229; B29C66/52298; B29C67/00; B29C67/0014; F; F16; F16L; F16L41/00; F16L41/08; F16L47/00; F16L47/26; F16L47/32; B29C66/70; B29C66/71; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1028; Y10T156/1031
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
62 words
Process as in claim 1 wherein said sput is formed with the axis thereof at a right angle to the axis of said conduit and said sput portion is at right angles to said conduit and wherein said flanges from said bifurcated leg portions do not increase in length transverse to the axis of said original stem portion at their bottom edges.
Claim 2
Dependent Claim
36 words
Process as in claim 2 wherein the portion between a bottom edge and the top edge of the bifurcated leg portion are distorted and expanded in a direction parallel to the longitudinal axis of said conduit.
Claim 3
Dependent Claim
181 words
A process as in claim 1 comprising the steps of a. forming two longitudinally elongated holes in a cylindrical pipe, heating the zone of wall material around each said hole, drawing said heated zone outwardly while forming a sput of circular shape on said wall material and extending said sputs at an angle to the axis of said conduit; b. forming each of a plurality of stem portions from each of a plurality of bifurcated tubes heating said bifurcated tubes heating said bifurcated portions of said tubes and moving said heated portions on to said conduit with said sputs, and c. forming flanges on each said bifurcated portions by contacting said bifurcated portions with the outer surface of said conduit and sput and rapidly chilling said thus formed bifurcated conduit while in contact with said conduit with sput; d. separating said stem portions and said conduit portions, e. applying cement to the surfaces of said stems and said conduit previously in contact and f. pressing said thus cemented surfaces against each other and thereby forming a bond between said cemented portions.
Claim 4
Dependent Claim
62 words
Process as in claim 4 wherein said sputs are fOrmed with the axis thereof at a right angle to the axis of said conduit and said sput portions are at right angles to said conduit and wherein said flanges from said bifurcated leg portions do not increase in length transverse to the axis of said original stem portion at their bottom edge.
Claim 5
Dependent Claim
35 words
Process as in claim 5 wherein the portion between said bottom edge and the top edge of the bifurcated portions are distorted and expanded in a direction parallel to the longitudinal axis of said conduit.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-04-04 | 1975-10-04 | 1976-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-04-04 | 1979-10-04 | 1980-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-04-04 | 1983-10-04 | 1984-04-04 | $7700.00 | Window Closed / Lapsed |